Device for switching in closing resistors for high-voltage cut-o

Details Device for switching in closing resistors for high-voltage cut-o Device for switching in closing resistors for high-voltage cut-o

1978-08-11

1981-04-21

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148R, H01H 3316

Patent

active

042634903

ABSTRACT:
A reciprocating rod bears a bridge which is movable on the rod with initial movement of the rod in a given direction completing closure of bridge carried moving contacts onto stationary contacts for inserting a resistance in a circuit during closure. Linkage between the rod and main contacts functions to subsequently close the main contacts of the cut-out switch, thereby shorting the resistor. Continued movement of the rod in a given direction subsequently causes the bridge borne contacts to move away from the stationary contacts, thereby opening the circuit through the resistors.

REFERENCES:
patent: 3291947 (1966-12-01), Van Sickle
patent: 3676621 (1972-07-01), Pflanz
patent: 4009458 (1977-02-01), Kishi et al.

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